From 228d18efccca9211dab5d0568e23726fc66b02f4 Mon Sep 17 00:00:00 2001
From: Arnaud <arnaud@status.im>
Date: Mon, 19 May 2025 11:32:56 +0200
Subject: [PATCH] Call eth_maxPriorityFeePerGas and returns a manual defined
 maxPriorityFeePerGas as a fallback

---
 ethers/provider.nim                     |  2 +-
 ethers/providers/jsonrpc.nim            | 12 +++++++++---
 ethers/providers/jsonrpc/signatures.nim |  1 +
 ethers/signer.nim                       |  2 +-
 4 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/ethers/provider.nim b/ethers/provider.nim
index c75df60..55cc07c 100644
--- a/ethers/provider.nim
+++ b/ethers/provider.nim
@@ -124,7 +124,7 @@ method getGasPrice*(
 
 method getMaxPriorityFeePerGas*(
     provider: Provider
-): Future[UInt256] {.base, async: (raises: [ProviderError, CancelledError]).} =
+): Future[UInt256] {.base, async: (raises: [CancelledError]).} =
   doAssert false, "not implemented"
 
 method getTransactionCount*(
diff --git a/ethers/providers/jsonrpc.nim b/ethers/providers/jsonrpc.nim
index f2ce53f..f2abe85 100644
--- a/ethers/providers/jsonrpc.nim
+++ b/ethers/providers/jsonrpc.nim
@@ -156,9 +156,15 @@ method getGasPrice*(
 
 method getMaxPriorityFeePerGas*(
     provider: JsonRpcProvider
-): Future[UInt256] {.async: (raises: [ProviderError, CancelledError]).} =
-  convertError:
-    return provider.maxPriorityFeePerGas
+): Future[UInt256] {.async: (raises: [CancelledError]).} =
+    try:
+      convertError:
+        let client = await provider.client
+        return await client.eth_maxPriorityFeePerGas()
+    except ProviderError:
+      # If the provider does not provide the implementation
+      # let's just remove the manual value
+      return provider.maxPriorityFeePerGas
 
 method getTransactionCount*(
     provider: JsonRpcProvider, address: Address, blockTag = BlockTag.latest
diff --git a/ethers/providers/jsonrpc/signatures.nim b/ethers/providers/jsonrpc/signatures.nim
index 60aded4..9e78bc1 100644
--- a/ethers/providers/jsonrpc/signatures.nim
+++ b/ethers/providers/jsonrpc/signatures.nim
@@ -21,3 +21,4 @@ proc eth_newBlockFilter(): JsonNode
 proc eth_newFilter(filter: EventFilter): JsonNode
 proc eth_getFilterChanges(id: JsonNode): JsonNode
 proc eth_uninstallFilter(id: JsonNode): bool
+proc eth_maxPriorityFeePerGas(): UInt256
diff --git a/ethers/signer.nim b/ethers/signer.nim
index d3b6b04..9646a5c 100644
--- a/ethers/signer.nim
+++ b/ethers/signer.nim
@@ -58,7 +58,7 @@ method getGasPrice*(
 
 method getMaxPriorityFeePerGas*(
     signer: Signer
-): Future[UInt256] {.async: (raises: [ProviderError, SignerError, CancelledError]).} =
+): Future[UInt256] {.async: (raises: [SignerError, CancelledError]).} =
   return await signer.provider.getMaxPriorityFeePerGas()
 
 method getTransactionCount*(